Surface roughness at the nanoscale alters light scattering, heat transfer, and fluid flow

https://juliusmwhn518.ironwoodscope.com/posts/elegant-yet-tough-matter-surfaces-for-luxury-retail

Surface roughness at the nanoscale alters light scattering, heat transfer, and fluid flow, enabling engineered matter surfaces that tailor optical gloss, drag, and thermal emissivity.